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The impact of the concentration of hydrated hydronium ions and in turn of the local ionic strength in MFI zeolites has been investigated for the aqueous phase dehydration of 4‐methylcyclohexanol (E1 mechanism) and cis‐2‐methylcyclohexanol (E2 mechanism). The E2 pathway with the latter alcohol led to a 2.5‐fold higher activity. The catalytic activity normalized to the hydronium ions (turnover frequency,...
Sekundäre Alkohole , die entweder einem E1‐ oder einem E2‐Eliminierungsweg folgen, werden in der Zuschrift von Eszter Baráth, Johannes A. Lercher et al. auf S. 25010 untersucht. Es ist bekannt, dass Wasser in den Zeolithkanälen Cluster bildet, aber sein Einfluss auf den intrinsischen Mechanismus der Dehydratisierung muss noch grundlegend verstanden werden. Es wurde festgestellt, dass die Vulkanform...
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